How do SATA and Serial Attached SCSI (SAS) work together?
SAS complements SATA by adding device addressing, and offers higher reliability and data availability services, along with logical SCSI compatibility. It will continue to enhance these metrics as the specification evolves, including increased device support and better cabling distances. SATA is targeted at cost-sensitive, non-mission critical server and storage environments. Most important, these are complementary technologies based on a universal interconnect, where Serial Attached SCSI customers can choose to deploy cost-effective SATA in a SAS environment.